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All Journal Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil
Burhannudin, Faisal
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Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Transportation

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PENINGKATAN KUAT LENTUR BETON FAST TRACK MUTU FS 45 DENGAN ADMIXTURE MR 73 Burhannudin, Faisal; Ali, Yusuf; Wicaksono, Yosafat Damar; Devi, Rida Handiana
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 30 No. 2 (2025): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v30i2.7250

Abstract

A number of studies and trials on concrete have been conducted to improve concrete quality and address common issues in the construction industry, such as project deadlines. Efforts to enhance concrete quality include modifications to achieve high concrete strength at 7 days using chemical admixtures. This research aims to analyze the effect of using MR 73 admixture on the flexural strength of concrete at the ages of 7 and 28 days. The research method employed is experimental quantitative. The results indicate that concrete with MR 73 admixture at a 0.4% dosage achieved an average flexural strength of 43.5042 kg/cm² at 7 days, compared to normal concrete with 35.34 kg/cm² at the same age. At 28 days, concrete with MR 73 admixture at a 0.4% dosage reached an average flexural strength of 49.97 kg/cm², compared to normal concrete with 45.54 kg/cm². The MR 73 admixture proved to increase the flexural strength of concrete by 23% at 7 days and 10% at 28 days compared to normal concrete
Co-Authors ali, yusuf Devi, Rida Handiana Wicaksono, Yosafat Damar